Coffins Smoke

This coffins smoke can be thrown from the same location as variation 2 of the CT Smoke, making for a solid core of any execute.

Difficulty: 1/5
Importance: 4/5

Crouch and align yourself with the small dot on the left side of the hatch labeled "GAS":

Then, stand up and put your crosshair on the top lightbulb directly above the small ladder on the roof, and left click throw: